iPadOS 13.1 (build 17A5821e) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2019-08-27T17:27:57Z. The update package is 355.88 MB. This is a delta (partial) update that requires 13.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c1c35e90bd7da5235448a3b88f04ee3b58622ce2.zip.